# N4181K: 1948 Ryan NAVION, registration cancelled 2002-12-03

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 3, 2002
- Status when cancelled: Triennial form not returned
- Airframe: [Ryan NAVION](https://openairdocs.org/model/ryan-navion) (registry code 6150160)
- Engine: [Continental E185 series](https://openairdocs.org/engine/continental-e185-series) (registry code 17014)
- Data sheets: [TCDS A-782](https://openairdocs.org/tcds/A-782), [TCDS E-246](https://openairdocs.org/tcds/E-246) (OpenAirDocs)
- Serial number: NAV-4-1181
- Year built: 1948
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Certificate issued: March 27, 1996
- Last registry action: September 17, 2002
- Mode S code: A4F45D
- Owner when cancelled: [Hansen Don K](https://openairdocs.org/faa-owner/HANSEN%20DON%20K)
- Location: [Rocky Ford, CO](https://openairdocs.org/faa-place/CO/Rocky%20Ford)
- Owner type: Individual
- Owner's area on the map: 38.0162° N, 103.7250° W: Placed by OpenAirDocs at the center of ZIP code 81067, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4181K
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4181K
- Page: https://openairdocs.org/deregistered/N4181K-2002-12-03

From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Ryan NAVION: https://openairdocs.org/model/ryan-navion.md

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB FTW78FPD11](https://openairdocs.org/ntsb/FTW78FPD11), Dec 18, 1977: Ryan Navion (N4181K), Denton, TX, substantial damage

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 19771218039939A](https://openairdocs.org/incident/19771218039939A), Dec 18, 1977: Navion NAVION/ (N4181K), Denton, TX, Substantial damage

## Other aircraft with N4181K

- [Cancelled 2008-11-04](https://openairdocs.org/deregistered/N4181K-2008-11-04): Robinson Helicopter R44 II, S/N 12531. Exported to Italy. Owner: [Helistream Inc](https://openairdocs.org/faa-owner/HELISTREAM%20INC), [Costa Mesa, CA](https://openairdocs.org/faa-place/CA/Costa%20Mesa)

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